<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .box {
        height: 100vh;
        background-color: black;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;

        filter: contrast(30);
    }

    .shui {
        width: 100px;
        height: 100px;
        background-color: #fff;
        border-radius: 50%;

        animation: 2.5s shui linear infinite;

        position: absolute;
        opacity: 0;
        filter: blur(20px);
    }

    .shui:nth-child(2){
        animation-delay: .7s;
    }

    .shui:nth-child(3){
        animation-delay: .5s;
    }

    span{
        font-size: 30px;
        position: absolute;
    }

    .bottom {
        width: 100px;
        height: 100px;
        background-color: #fff;
        border-radius: 50%;
        animation: 3s bottom linear infinite;
        filter: blur(20px);
    }

    @keyframes shui {
        0%{
            transform:scale(.7) translateY(-600%);
            opacity: 0;
        }
        50%{
            transform:scale(.4)  translateY(-80%);
            opacity: 1;
        }
        100%{
            transform: scale(.3) translateY(0);
        }
    }

    @keyframes bottom{
        0%{
            transform: rotate(0deg) scale(1)  
        }
        50%{
            transform: rotate(180deg) scale(1.3);
              width: 90px;
        }
        100%{
            transform: rotate(360deg) scale(1)  
        }
    }
</style>

<body>
    <div class="box">
        <div class="shui"></div>
        <div class="shui"></div>
        <div class="shui"></div>
        <div class="bottom"></div>
        <span>99</span>
    </div>
</body>

</html>